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Solaris vs Unit: Which Fintech & Payments Is Better in 2026?

Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.

Solaris
Solaris
Rating
,
Reviews
0
From
Custom

in Fintech & Payments

Unit
Unit
Rating
,
Reviews
0
From
Custom

in Fintech & Payments

Jump to scorecard Ask SIA

The Short Answer

Solaris vs Unit, in 15 seconds

Choose Solaris if…

  • You want to trial before paying

Choose Unit if…

  • You prefer Unit's approach and ecosystem

Head-to-Head Scorecard

How Solaris and Unit score

It's evenly matched, each leads on 1 of 9 measured dimensions.

  • Customer Rating

    Average score from verified user reviews

    Even
    Solaris
    No reviews
    Unit
    No reviews

  • Review Volume

    Number of verified reviews, a proxy for adoption

    Even
    Solaris
    0
    Unit
    0

  • Entry Pricing

    Lowest published starting price (free plan = lowest)

    Even
    Solaris
    Custom
    Unit
    Custom

  • Free Access

    Availability of a free plan and/or free trial

    Solaris
    Solaris
    Free trial
    Unit
    Paid only

  • Integrations

    Number of listed third-party integrations

    Even
    Solaris
    6
    Unit
    6

  • Features

    Number of listed product capabilities

    Even
    Solaris
    0
    Unit
    0

  • AI Features

    Capabilities mentioning AI, automation or ML

    Even
    Solaris
    ,
    Unit
    ,

  • Security & Compliance

    Number of listed compliance certifications

    Even
    Solaris
    3
    Unit
    3

  • Platforms & Deployment

    Supported platforms and deployment options

    Unit
    Solaris
    4
    Unit
    6

Feature Comparison

Solaris vs Unit feature breakdown

Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.

Solaris
Unit
Overview
User rating
,
,
Pricing model
Quote-based
PAID
Starting price
Custom
Custom
Free version
Free trial
Features
Key capabilities
,
,
AI features
,
,
Integrations & API
Integrations
ShopifySalesforce Commerce CloudSAPStripeAdyenREST APIs
PlaidStripeModern TreasuryAlloyMarqetaQuickBooks
Public API
Platforms
Deployment
CloudSaaS
CloudSaaS
Platforms
WebAPI
WebAPIiOSAndroid
Mobile support
Security & Compliance
Compliance
PCI DSSISO 27001GDPR
SOC 2GDPRPCI DSS
Vendor
Company
,
,
Verified
Founded
2016
2019
Headquarters
Berlin, Germany
New York, New York, United States

Pricing Comparison

Solaris vs Unit pricing

Entry pricing, plan tiers and the cost factors that shape total cost of ownership.

Solaris

Custom to start
ProfessionalCustom
  • Standard support
  • Analytics and reporting
  • bank accounts via API
  • Integrations
EnterpriseCustom
  • identity and compliance
  • Everything in Professional
  • Dedicated support and onboarding
  • lending

Unit

Custom to start
PlatformCustom
  • Embedded bank accounts
  • Payments
  • Card issuing
  • Ledgering
EnterpriseCustom
  • Dedicated support
  • Reporting
  • Lending features
  • Advanced controls

Total cost of ownership factors

Free planSolaris Unit
Free trial to evaluateSolaris Unit
Transparent published pricingSolaris Unit
Public API (build vs. buy add-ons)Solaris Unit

Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.

Pros & Cons

Solaris vs Unit: strengths and trade-offs

Solaris

Pros

  • Free trial offered
  • Compliance: PCI DSS, ISO 27001, GDPR
  • Public API available

Cons

  • No free plan
  • Pricing is quote-based (less transparent)

Unit

Pros

  • Compliance: SOC 2, GDPR, PCI DSS
  • Public API available

Cons

  • No free plan
  • No free trial
  • Pricing is quote-based (less transparent)

Buyer Fit

Who should use Solaris vs Unit?

Startups

Either

Either keeps early-stage costs lowest with its entry tier.

Small businesses

Either

Either offers the most accessible pricing for lean teams.

Agencies

Either

Either connects to more tools for multi-client workflows.

Enterprises

Either

Either leads on compliance and breadth for complex needs.

Ecommerce

Either

Either integrates with more of the commerce stack.

SaaS companies

Either

Either is the more developer- and automation-friendly choice.

Integration overlap

Shared integrations (1)

Stripe

Only in Solaris (5)

ShopifySalesforce Commerce CloudSAPAdyenREST APIs

Only in Unit (5)

PlaidModern TreasuryAlloyMarqetaQuickBooks

Keep Exploring

Other alternatives worth considering

Similar fintech & payments products buyers compare alongside Solaris and Unit.

Mambu

Mambu

Custom
Marqeta

Marqeta

Custom
Airwallex

Airwallex

£19/mo
Zeta

Zeta

Custom
Column

Column

Custom
Increase

Increase

Custom
More Solaris alternatives →More Unit alternatives →

Ask SIA which solution fits your business

SIA, Saaskart's AI buying assistant, weighs Solaris and Unit against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.

Get a personalised recommendation

Solaris vs Unit, Frequently Asked Questions

What is the difference between Solaris and Unit?

Solaris and Unit are both Fintech & Payments solutions. Solaris is rated 0.0/5 by 0 users, while Unit is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.

Which is better, Solaris or Unit?

Based on user ratings, Solaris scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.

Which is cheaper, Solaris or Unit?

Both products have custom pricing. We recommend contacting both vendors for a quote tailored to your team size.

Does Solaris or Unit have a free plan?

Neither Solaris nor Unit currently offers a free plan, but Solaris provides a free trial.

Can I switch from Solaris to Unit?

Switching between Solaris and Unit is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.

Who should use Solaris vs Unit?

Solaris is best suited for teams that prioritise enterprise features. Unit works well for teams needing advanced capabilities.

Our Verdict

The bottom line on Solaris vs Unit

Best Overall

Either

It's a tie balances user satisfaction and proven adoption.

Best for Startups

Either

It's a tie has the friendliest entry point for new teams.

Best for Enterprise

Either

It's a tie leads on compliance and feature breadth.

Best Value

Either

It's a tie delivers the lowest cost to get started.

Best AI Features

Either

Comparable AI capabilities on both sides.

Highest Rated

Either

Both earn equal user ratings.

Ready to decide between Solaris and Unit?

Visit Solaris Visit Unit Ask SIA
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